Chapter 7: Wrist and Hand

Question 1

Is the MCP and PIP slightly fixed in a functional grasp position?

True or False

Answer 1

True

Question 2

An example of picking up a jar is considered what type of grip?

Answer 2

Spherical

Question 3

2nd - 5th fingers flexed around an object in a hook like manner; MCPs are extended, PIP/DIPs are some flexion; thumb not involved. Is considered what type of grip?

Answer 3

Hook

Question 4

The tool used to measure a pinch?

Answer 4

Pinch Gauge

Question 5

The tool used to measure for grip?

Answer 5

Dynamometer

Question 6

What position of the hand is slightly extended, MCP/PIP joint of fingers slightly flexed, thumb is in opposition?

Answer 6

Functional Position

Question 7

What are the grasps-grips?

Answer 7

Power and Precision

Question 8

How many Power Grips are there and what are they?

Answer 8

3 total

Cylinder
Spherical
Hook

Question 9

How many Precision Grips are there and what are they?

Answer 9

5 total

Pad-to-Pad (pinch, three-jaw chuck)
Tip-to-Tip
Pad-to-Side
Side-to-Side
Lumbrical/plate

Question 10

All fingers flexed around the object, usually lies at right angle to forearm is called what type of grip?

Answer 10

Cylinder

Question 11

Thumb and one finger, usually index is called what type of grip?

Answer 11

Pinch

Question 12

Thumb and 2 fingers; index/middle is called what type of grip?

Answer 12

Three-Jaw

Question 13

(Lateral Prehension) pad of extended thumb pressing on object against radial side of index finger; strong grip, allows less fine movements is called what type of grip?

Answer 13

Pad-to-Side

Question 14

Similar to pad-to-side; add of 2 fingers (middle/index); weak grip with not much precision is called what type of grip?

Answer 14

Side-to-Side

Question 15

(Plate grip) MCP fixed, PIP/DIPs extended; thumb opposes fingers holding object horizontally is called what type of grip?

Answer 15

Lumbrical